Brilev, V. V.; Vasilevskii, D. A.; Tarasevich, V. A.; Matveenko, Yu. V.; Erdman, A. A. Russian Journal of General Chemistry, 1999 , vol. 69, # 1 p. 122 - 125 Zhurnal Obshchei Khimii, 1999 , vol. 69, # 1 p. 126 - 129